Feat: Erstellt die Möglichkeit, Tasks als Hintergrundprozesse auszuführen

lib/main.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:routemaster/routemaster.dart';
 
+import 'Controller/background_task_controller.dart';
 import 'Services/navigation_service.dart';
 import 'Services/router_service.dart';
 import 'Services/theme_service.dart';
@@ -9,6 +10,8 @@ import 'Services/theme_service.dart';
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
 
+  BackgroundTaskController();
+
   runApp(
     MaterialApp.router(
       routerDelegate: RoutemasterDelegate(
@@ -22,9 +25,7 @@ void main() {
         GlobalWidgetsLocalizations.delegate,
         GlobalCupertinoLocalizations.delegate,
       ],
-      supportedLocales: const [
-        Locale('de'),
-      ],
+      supportedLocales: const [Locale('de')],
 
       title: 'DragonLedger 🐉📒',
       theme: ThemeService.getLightTheme(),